Category Archives: Blog

Revisiting the LDF4-50 MagLoop

Posted on May 7, 2018 by

Today I decided to enjoy the fine weather and do some further outdoor tests with the LDF4-50 MagLoop. I constructed this loop last year. Up until now this loop hasn’t really been used, all my MagLoop experiments have been done … Continue reading →

Posted in Blog, Magnetic Loops, Mobile / portable Operation, QRSS / WSPR / QRP

A ProgRock and a very old MMT 144/28 Transverter

Posted on May 2, 2018 by

Having got the 10MHz side of the ProgRock project working (see here for details) the next stage was to look at the 116MHz output. If this was also acceptable, I would have an alternative means of generating the two frequencies … Continue reading →

Posted in 23cms, Blog, EME, GHz_Bands | Tagged ,

Building a ProgRock kit for use as a frequency reference for VHF / UHF Transverters – 1

Posted on March 20, 2018 by

The ProgRock is a kit produced by QRP-Labs. It is described as a triple GPS-disciplined programmable crystal, based around a Si5351A Synthesizer. Having read positive reports on the ProgRock I decided to order one, plus the optional GPS kit. I … Continue reading →

Posted in Blog, EME | Tagged , | 1 Comment

LDF5-50 MagLoop on 80m

Posted on February 8, 2018 by

When I first made this MagLoop my goal was to be able to use it on the 40m band, and this was achieved. Recently I began to wonder if it might also work on 80m. So the MagLoop was setup … Continue reading →

Posted in Blog, Magnetic Loops, QRSS / WSPR / QRP

Homemade Satellite Antenna

Posted on February 5, 2018 by

I was at one time quite active on the early OSCAR satellites. In those days (I’m going back over 35+ years) it was 2m to 10m linear transponder(s). Having not done anything with satellite communications for such a long time … Continue reading →

Posted in 70cms, Blog, Satellites

An SDR based QRSS Grabber

Posted on January 30, 2018 by

About a year ago I purchased the NooElec Ham It Up v1.3 bare bones HF Up-converter (HFU) to use with their NeSDR SMArt dongle. The plan at that time was to get an SDR-based QRSS Grabber running online 24/7. For … Continue reading →

Posted in Blog, QRSS / WSPR / QRP, SDR

Not QRT

Posted on January 4, 2018 by

It’s been several months since my last blog post. Although little has happened as far as updates to my website / Blog there’s been a fair amount of activity going on behind the scenes. Some of this activity has been … Continue reading →

Posted in Blog

A new LDF4-50 Magnetic Loop Antenna

Posted on July 6, 2017 by

Having recently changed my car I realised this week that the diameter of my LDF5-50 Magnetic Loop (ML) is fractionally too big to fit in the back of my new car!!! So something needed to be done if I wanted … Continue reading →

Posted in Blog, Magnetic Loops

23cms VLNA Finally Installed at the Masthead

Posted on June 15, 2017 by

It’s been a long slow process but today I finally finished installing the G4DDK 23cms VLNA at the masthead. The extended timeline was partly due to some other improvements that needed to be done to the 2m EME setup and … Continue reading →

Posted in 23cms, Blog, EME, GHz_Bands

Tidy-up of the 1.3GHz Transverter

Posted on May 13, 2017 by

Having completed the 1.3GHz PA and established that things work well with the transverter (TVTR) and PA located in the shack it was time to tidy things up a bit. I had a spare enclosure that matched the Anglian TVTR and … Continue reading →

Posted in 23cms, Blog, GHz_Bands